# -*- coding: utf-8 -*-
"""
# @Time    : 2021/1/9 下午4:43
# @Author  : tgy
"""

# from datetime import datetime
import datetime

def test01():
    ...
    print(datetime.datetime.now() + datetime.timedelta(days=-3))
    print(datetime.datetime.now().replace(hour=2))


if __name__ == '__main__':
    ...
    test01()

